Pick up of the gateway

When you connect the FXS gateway with the other sip server, if you find that the fxs port cannot pick up the IP extension, but the other extension can pick up the FXS port, maybe the below method can help you:

Here we use elastix as one example, and when we need to pick up one extension, we will dial **+extension number, in the gateway, firstly we will disable the feature code, just in order to avoid the conflict with the feature code of elastix.

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secondly, we will input the rule **1XX into the digit map, here 1XX means the extension number can be 100-199, and X represents one digit 0-9.

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